Article ISI
Palaeobiodiversity and Palaeoenvironments.  (2012)

An ichthyosaurian forefin from the Lower Cretaceous Zapata Formation of southern Chile: implications for morphological variability within Platypterygius.

Pardo-Pérez, J., Frey, E., Stinnesbeck, W., Fernández, M. Rivas, L., Salazar, C. & Leppe, M.